/*
 * Licensed to Crate under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Crate licenses this file
 * to you under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.  You may
 * obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied.  See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial
 * agreement.
 */

package io.crate.expression.symbol.format;

import io.crate.analyze.SQLPrinter;
import io.crate.analyze.relations.AnalyzedRelation;

import javax.annotation.Nullable;

final class SymbolPrinterContext {

    final StringBuilder builder = new StringBuilder();
    final SymbolPrinter.Style style;

    @Nullable
    private final SQLPrinter.Visitor sqlPrinterVisitor;

    SymbolPrinterContext(SymbolPrinter.Style style, @Nullable SQLPrinter.Visitor sqlPrinterVisitor) {
        this.style = style;
        this.sqlPrinterVisitor = sqlPrinterVisitor;
    }

    String formatted() {
        return builder.toString();
    }

    boolean isFullQualified() {
        return style == SymbolPrinter.Style.QUALIFIED;
    }

    boolean sqlPrinterExists() {
        return sqlPrinterVisitor != null;
    }

    void processWithSqlPrinter(AnalyzedRelation analyzedRelation) {
        if (sqlPrinterVisitor != null) {
            sqlPrinterVisitor.process(analyzedRelation, builder);
        }
    }
}
